1 | dojo.provide("dojox.widget.FilePicker"); |
---|
2 | |
---|
3 | dojo.require("dojox.widget.RollingList"); |
---|
4 | |
---|
5 | dojo.require("dojo.i18n"); |
---|
6 | dojo.requireLocalization("dojox.widget", "FilePicker"); |
---|
7 | |
---|
8 | dojo.declare("dojox.widget._FileInfoPane", |
---|
9 | [dojox.widget._RollingListPane], { |
---|
10 | // summary: |
---|
11 | // a pane to display the information for the currently-selected |
---|
12 | // file |
---|
13 | |
---|
14 | // templateString: string |
---|
15 | // delete our template string |
---|
16 | templateString: "", |
---|
17 | |
---|
18 | // templateString: String |
---|
19 | // The template to be used to construct the widget. |
---|
20 | templateString: dojo.cache("dojox.widget", "FilePicker/_FileInfoPane.html"), |
---|
21 | |
---|
22 | postMixInProperties: function(){ |
---|
23 | this._messages = dojo.i18n.getLocalization("dojox.widget", "FilePicker", this.lang); |
---|
24 | this.inherited(arguments); |
---|
25 | }, |
---|
26 | |
---|
27 | onItems: function(){ |
---|
28 | // summary: |
---|
29 | // called after a fetch or load - at this point, this.items should be |
---|
30 | // set and loaded. |
---|
31 | var store = this.store, item = this.items[0]; |
---|
32 | if(!item){ |
---|
33 | this._onError("Load", new Error("No item defined")); |
---|
34 | }else{ |
---|
35 | this.nameNode.innerHTML = store.getLabel(item); |
---|
36 | this.pathNode.innerHTML = store.getIdentity(item); |
---|
37 | this.sizeNode.innerHTML = store.getValue(item, "size"); |
---|
38 | this.parentWidget.scrollIntoView(this); |
---|
39 | this.inherited(arguments); |
---|
40 | } |
---|
41 | } |
---|
42 | }); |
---|
43 | |
---|
44 | dojo.declare("dojox.widget.FilePicker", dojox.widget.RollingList, { |
---|
45 | // summary: |
---|
46 | // a specialized version of RollingList that handles file information |
---|
47 | // in a store |
---|
48 | |
---|
49 | className: "dojoxFilePicker", |
---|
50 | |
---|
51 | // pathSeparator: String |
---|
52 | // Our file separator - it will be guessed if not set |
---|
53 | pathSeparator: "", |
---|
54 | |
---|
55 | // topDir: String |
---|
56 | // The top directory string - it will be guessed if not set |
---|
57 | topDir: "", |
---|
58 | |
---|
59 | // parentAttr: String |
---|
60 | // the attribute to read for finding our parent directory |
---|
61 | parentAttr: "parentDir", |
---|
62 | |
---|
63 | // pathAttr: String |
---|
64 | // the attribute to read for getting the full path of our file |
---|
65 | pathAttr: "path", |
---|
66 | |
---|
67 | // preloadItems: Boolean|Int |
---|
68 | // Set this to a sane number - since we expect to mostly be using the |
---|
69 | // dojox.data.FileStore - which doesn't like loading lots of items |
---|
70 | // all at once. |
---|
71 | preloadItems: 50, |
---|
72 | |
---|
73 | // selectDirectories: Boolean |
---|
74 | // whether or not we allow selection of directories - that is, whether or |
---|
75 | // our value can be set to a directory. |
---|
76 | selectDirectories: true, |
---|
77 | |
---|
78 | // selectFiles: Boolean |
---|
79 | // whether or not we allow selection of files - that is, we will disable |
---|
80 | // the file entries. |
---|
81 | selectFiles: true, |
---|
82 | |
---|
83 | _itemsMatch: function(/*item*/ item1, /*item*/ item2){ |
---|
84 | // Summary: |
---|
85 | // Returns whether or not the two items match - checks ID if |
---|
86 | // they aren't the exact same object - ignoring trailing slashes |
---|
87 | if(!item1 && !item2){ |
---|
88 | return true; |
---|
89 | }else if(!item1 || !item2){ |
---|
90 | return false; |
---|
91 | }else if(item1 == item2){ |
---|
92 | return true; |
---|
93 | }else if (this._isIdentity){ |
---|
94 | var iArr = [ this.store.getIdentity(item1), this.store.getIdentity(item2) ]; |
---|
95 | dojo.forEach(iArr, function(i, idx){ |
---|
96 | if(i.lastIndexOf(this.pathSeparator) == (i.length - 1)){ |
---|
97 | iArr[idx] = i.substring(0, i.length - 1); |
---|
98 | }else{ |
---|
99 | } |
---|
100 | }, this); |
---|
101 | return (iArr[0] == iArr[1]); |
---|
102 | } |
---|
103 | return false; |
---|
104 | }, |
---|
105 | |
---|
106 | startup: function(){ |
---|
107 | if(this._started){ return; } |
---|
108 | this.inherited(arguments); |
---|
109 | // Figure out our file separator if we don't have it yet |
---|
110 | var conn, child = this.getChildren()[0]; |
---|
111 | var setSeparator = dojo.hitch(this, function(){ |
---|
112 | if(conn){ |
---|
113 | this.disconnect(conn); |
---|
114 | } |
---|
115 | delete conn; |
---|
116 | var item = child.items[0]; |
---|
117 | if(item){ |
---|
118 | var store = this.store; |
---|
119 | var parent = store.getValue(item, this.parentAttr); |
---|
120 | var path = store.getValue(item, this.pathAttr); |
---|
121 | this.pathSeparator = this.pathSeparator || store.pathSeparator; |
---|
122 | if(!this.pathSeparator){ |
---|
123 | this.pathSeparator = path.substring(parent.length, parent.length + 1); |
---|
124 | } |
---|
125 | if(!this.topDir){ |
---|
126 | this.topDir = parent; |
---|
127 | if(this.topDir.lastIndexOf(this.pathSeparator) != (this.topDir.length - 1)){ |
---|
128 | this.topDir += this.pathSeparator; |
---|
129 | } |
---|
130 | } |
---|
131 | } |
---|
132 | }); |
---|
133 | if(!this.pathSeparator || !this.topDir){ |
---|
134 | if(!child.items){ |
---|
135 | conn = this.connect(child, "onItems", setSeparator); |
---|
136 | }else{ |
---|
137 | setSeparator(); |
---|
138 | } |
---|
139 | } |
---|
140 | }, |
---|
141 | |
---|
142 | getChildItems: function(item){ |
---|
143 | var ret = this.inherited(arguments); |
---|
144 | if(!ret && this.store.getValue(item, "directory")){ |
---|
145 | // It's an empty directory - so pass through an empty array |
---|
146 | ret = []; |
---|
147 | } |
---|
148 | return ret; |
---|
149 | }, |
---|
150 | |
---|
151 | getMenuItemForItem: function(/*item*/ item, /* dijit/_Contained */ parentPane, /* item[]? */ children){ |
---|
152 | var menuOptions = {iconClass: "dojoxDirectoryItemIcon"}; |
---|
153 | if(!this.store.getValue(item, "directory")){ |
---|
154 | menuOptions.iconClass = "dojoxFileItemIcon"; |
---|
155 | var l = this.store.getLabel(item), idx = l.lastIndexOf("."); |
---|
156 | if(idx >= 0){ |
---|
157 | menuOptions.iconClass += " dojoxFileItemIcon_" + l.substring(idx + 1); |
---|
158 | } |
---|
159 | if(!this.selectFiles){ |
---|
160 | menuOptions.disabled = true; |
---|
161 | } |
---|
162 | } |
---|
163 | var ret = new dijit.MenuItem(menuOptions); |
---|
164 | return ret; |
---|
165 | }, |
---|
166 | |
---|
167 | getPaneForItem: function(/*item*/ item, /* dijit/_Contained */ parentPane, /* item[]? */ children){ |
---|
168 | var ret = null; |
---|
169 | if(!item || (this.store.isItem(item) && this.store.getValue(item, "directory"))){ |
---|
170 | ret = new dojox.widget._RollingListGroupPane({}); |
---|
171 | }else if(this.store.isItem(item) && !this.store.getValue(item, "directory")){ |
---|
172 | ret = new dojox.widget._FileInfoPane({}); |
---|
173 | } |
---|
174 | return ret; |
---|
175 | }, |
---|
176 | |
---|
177 | _setPathValueAttr: function(/*String*/ path, /*Boolean?*/ resetLastExec, /*function?*/ onSet){ |
---|
178 | // summary: |
---|
179 | // sets the value of this widget based off the given path |
---|
180 | if(!path){ |
---|
181 | this.set("value", null); |
---|
182 | return; |
---|
183 | } |
---|
184 | if(path.lastIndexOf(this.pathSeparator) == (path.length - 1)){ |
---|
185 | path = path.substring(0, path.length - 1); |
---|
186 | } |
---|
187 | this.store.fetchItemByIdentity({identity: path, |
---|
188 | onItem: function(v){ |
---|
189 | if(resetLastExec){ |
---|
190 | this._lastExecutedValue = v; |
---|
191 | } |
---|
192 | this.set("value", v); |
---|
193 | if(onSet){ onSet(); } |
---|
194 | }, |
---|
195 | scope: this}); |
---|
196 | }, |
---|
197 | |
---|
198 | _getPathValueAttr: function(/*item?*/val){ |
---|
199 | // summary: |
---|
200 | // returns the path value of the given value (or current value |
---|
201 | // if not passed a value) |
---|
202 | if(!val){ |
---|
203 | val = this.value; |
---|
204 | } |
---|
205 | if(val && this.store.isItem(val)){ |
---|
206 | return this.store.getValue(val, this.pathAttr); |
---|
207 | }else{ |
---|
208 | return ""; |
---|
209 | } |
---|
210 | }, |
---|
211 | |
---|
212 | _setValue: function(/* item */ value){ |
---|
213 | // summary: |
---|
214 | // internally sets the value and fires onchange |
---|
215 | delete this._setInProgress; |
---|
216 | var store = this.store; |
---|
217 | if(value && store.isItem(value)){ |
---|
218 | var isDirectory = this.store.getValue(value, "directory"); |
---|
219 | if((isDirectory && !this.selectDirectories) || |
---|
220 | (!isDirectory && !this.selectFiles)){ return; } |
---|
221 | }else{ |
---|
222 | value = null; |
---|
223 | } |
---|
224 | if(!this._itemsMatch(this.value, value)){ |
---|
225 | this.value = value; |
---|
226 | this._onChange(value); |
---|
227 | } |
---|
228 | } |
---|
229 | }); |
---|